Home / 9,071.85-12,519.71-6,041.78

Finding the Fourth Proportional to 9,071.85, 12,519.71 and 6,041.78

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Solution

The fourth proportional to 9,071.85, 12,519.71 and 6,041.78 is: 8,338.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.85 : 12,519.71 = 6,041.78 : x
  2. Step 2: Convert to fraction form
    9,071.85/12,519.71 = 6,041.78/x
  3. Step 3: Cross multiply
    9,071.85x = 12,519.71 × 6,041.78
  4. Step 4: Simplify right side
    9,071.85x = 75,641,240.68
  5. Step 5: Solve for x
    x = 75,641,240.68/9,071.85
  6. Step 6: Final answer
    x = 8,338.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.